The social problems of migrant farm laborers; effect of migrant farm labor on the education of children von Brooks, Melvin S

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Experimental Evaluation of an Airborne Illumination System von Hilgendorf, Robert L.

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Visual Performance with Simulated Flare Light: Effects of Flare-Ignition Altitude von Hilgendorf, Robert L.

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Effects of Instructions on Wiring Task Accomplishment von Hilgendorf, Robert L., Ahlborn, John F.

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Detection and Recognition of Colored Signal Lights von Reynolds, Richard E., White, Raymond M., Hilgendorf, Robert L.

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Effect of Lens Color on Target Visibility for Air-Sea Rescue von Hilgendorf, Robert L., MacLeod, Shelton

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Robert H. Gregory, "Automatic Data-Processing Systems" (Book Review) von Hilgendorf, Robert L

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Richard L. Van Horn, "Automatic Data-Processing Systems" (Book Review) von Hilgendorf, Robert L

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Air-to-Ground Target Acquisition with Flare Illumination von Hilgendorf, Robert L

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VISUAL SEARCH AND DETECTION UNDER SIMULATED FLARELIGHT: PART II. EVALUATION OF A 5,000,000 CANDLEPOWER (C-P) SOURCE von Hilgendorf,Robert L

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Automatic Data-Processing Systems von Robert L. Hilgendorf

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SEEKVAL Project IA1: Effects of Target Number and Clutter on Dynamic Target Acquisition von Hilgendorf ,Robert L, Milenski,John

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SEEKVAL Project IA1: Effects of Color and Brightness Contrast on Target Acquisition von Hilgendorf, Robert L, Milenski, John

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SEEKVAL Project IA1: Effects of Target Number and Clutter on Static Target Acquisition von Hilgendorf,Robert L, Milenski,John

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Trim plate for panelboards and switchboards von CAGGIANO ROBERT J, HILGENDORF ROBERT L, BARBER EDWARD G, CRAFT HAMON L, LAFOND MIKE P

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The Effect of Muzzle Flashes on Air-To-Ground Target Acquisition von Hilgendorf, Robert L, Erickson, Ronald A

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Flare Range Estimation: Evaluation of Aids von Hilgendorf,Robert L, Simons,John C

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Developmental regulation of the male urogenital papilla in the male marine teleost black rockfish, Sebastes schlegelii (Hilgendorf, 1880) von Wang, Tao, Wang, Xueying, Zhao, Ning, Liu, Qinghua, Song, Zongcheng, Li, Jun

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The Effect of Simulated Sun Angle on Air-to-Ground Target Acquisition von Freitag,Melvin, Hilgendorf,Robert L, Searle,Robert G

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The Effect of Hovering Flares on Visual Target Acquisition von Hilgendorf, Robert L, Searle, Robert G, Erickson, Ronald A

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